Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Apr. 11, 2021	Sep. 27, 2020
Balance Sheet Related Disclosures [Abstract]
Trade	$ 87,284	$ 77,082
Notes receivable	1,714	1,193
Income tax receivable	1,119	1,591
Other	2,602	4,092
Allowance for doubtful accounts	(5,998)	(5,541)
Accounts and other receivables, net	86,721	78,417
Company-owned life insurance policies	120,164	113,767
Deferred rent receivable	47,419	48,604
Franchise tenant improvement allowance	28,888	29,437
Other	17,667	18,815
Other assets, net	214,138	210,623
Payroll and related taxes	26,427	34,475
Insurance	23,383	25,310
Accrued Advertising, Current	16,144	9,861
Sales and property taxes	8,760	22,038
Deferred franchise fees	4,999	4,934
Other	43,837	32,813
Accrued liabilities	123,550	129,431
Defined benefit pension plans	115,268	120,811
Deferred franchise fees, Noncurrent	36,585	38,607
Other	53,492	47,076
Other long-term liabilities	$ 205,345	$ 206,494

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Liabilities, Other than Long-term Debt and Operating Lease Liabilities, Noncurrent

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant, and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Charges and Other Assets.

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The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.

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Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

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